======================================
| 0
| xx__-> [   18.204782][  T303] ------------[ cut here ]------------
| [ 18.205301][ T303] WARNING: CPU: 0 PID: 303 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   18.205912][  T303] Modules linked in: vrf veth
[   18.206802][  T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.207179][ T303] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 18.207482][ T303] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   18.208551][  T303] RSP: 0018:ffffc90000587140 EFLAGS: 00010246
[   18.208939][  T303] RAX: 0000000000000000 RBX: ffff88800aa4c000 RCX: 0000000000000001
[   18.209381][  T303] RDX: 0000000000000000 RSI: ffffffff99c9b941 RDI: ffffffff994555e0
[   18.209848][  T303] RBP: ffffc90000587230 R08: ffff88800c0e6800 R09: 0000000000000000
[   18.210290][  T303] R10: ffffc900005875c8 R11: ffffffff9aa50668 R12: 1ffff920000b0e2c
[   18.210742][  T303] R13: 0000000000002710 R14: ffffc90000587880 R15: ffff8880051adc60
[   18.211193][  T303] FS:  00007ff98b170800(0000) GS:ffff88809a4b7000(0000) knlGS:0000000000000000
[   18.211861][  T303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.212333][  T303] CR2: 00000000004e5aa0 CR3: 000000000c2bc003 CR4: 0000000000772ef0
[   18.212796][  T303] PKRU: 55555554
[   18.213021][  T303] Call Trace:
[   18.213244][  T303]  <TASK>
[ 18.213399][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.213723][ T303] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 18.214301][ T303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.214615][ T303] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 18.214911][ T303] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 18.215203][ T303] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 18.215498][ T303] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 18.215810][ T303] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 18.216174][ T303] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 18.216468][ T303] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 18.216786][ T303] ? __kernel_text_address (kernel/extable.c:79) 
[ 18.217079][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.217372][ T303] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 18.217675][ T303] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 18.218044][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.218338][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.218637][ T303] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 18.218924][ T303] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 18.219215][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.219520][ T303] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 18.219819][ T303] ? __create_object (mm/kmemleak.c:771) 
[ 18.220112][ T303] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 18.220408][ T303] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 18.220710][ T303] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.221070][ T303] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 18.221369][ T303] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 18.221678][ T303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.221966][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.222261][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.222557][ T303] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 18.222850][ T303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.223140][ T303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.223433][ T303] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 18.223736][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.224029][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.224323][ T303] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 18.224624][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.224924][ T303] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 18.225226][ T303] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 18.225520][ T303] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 18.225823][ T303] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 18.226117][ T303] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 18.226408][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.226715][ T303] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 18.227013][ T303] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 18.227305][ T303] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 18.227623][ T303] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 18.227920][ T303] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 18.228212][ T303] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 18.228607][ T303] ___sys_sendmsg (net/socket.c:2670) 
[ 18.228897][ T303] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 18.229185][ T303] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 18.229559][ T303] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 18.229874][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.230165][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.230461][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.230761][ T303] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 18.231051][ T303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.231354][ T303] __sys_sendmsg (net/socket.c:2700) 
[ 18.231649][ T303] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 18.232006][ T303] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 18.232319][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.232622][ T303] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 18.232914][ T303] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.233277][  T303] RIP: 0033:0x7ff98b33d1e7
[ 18.233581][ T303] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   18.234631][  T303] RSP: 002b:00007ffffbee3b68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.235073][  T303] RAX: ffffffffffffffda RBX: 00007ffffbee4290 RCX: 00007ff98b33d1e7
[   18.235514][  T303] RDX: 0000000000000000 RSI: 00007ffffbee3bd0 RDI: 0000000000000005
[   18.235960][  T303] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   18.236401][  T303] R10: 00007ff98b23aee8 R11: 0000000000000246 R12: 0000000000000004
[   18.236845][  T303] R13: 00000000686e3af9 R14: 0000000000499600 R15: 0000000000000000
| [   20.914510][  T345] ------------[ cut here ]------------
| [ 20.914869][ T345] WARNING: CPU: 0 PID: 345 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.915431][  T345] Modules linked in: 8021q vrf veth
| [   20.916313][  T345] Tainted: [W]=WARN
[   20.916530][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.916961][ T345] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.917256][ T345] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.918304][  T345] RSP: 0018:ffffc900005c7140 EFLAGS: 00010246
[   20.918706][  T345] RAX: 0000000000000000 RBX: ffff888005eb9000 RCX: 0000000000000001
[   20.919177][  T345] RDX: 0000000000000000 RSI: ffffffff99c9b941 RDI: ffffffff994555e0
[   20.919628][  T345] RBP: ffffc900005c7230 R08: ffff88800a7f6800 R09: 0000000000000000
[   20.920073][  T345] R10: ffffc900005c75c8 R11: ffffffff9aa50668 R12: 1ffff920000b8e2c
[   20.920499][  T345] R13: 0000000000002710 R14: ffffc900005c7880 R15: ffff88800a65fbe0
[   20.920948][  T345] FS:  00007f680144a800(0000) GS:ffff88809a4b7000(0000) knlGS:0000000000000000
[   20.921461][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.921853][  T345] CR2: 00000000004e5ab8 CR3: 0000000004f85006 CR4: 0000000000772ef0
[   20.922287][  T345] PKRU: 55555554
[   20.922496][  T345] Call Trace:
[   20.922931][  T345]  <TASK>
[ 20.923091][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.923379][ T345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.923834][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.924125][ T345] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.924400][ T345] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 20.924813][ T345] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 20.925110][ T345] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 20.925398][ T345] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.925781][ T345] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.926091][ T345] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.926374][ T345] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.926670][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.926967][ T345] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 20.927255][ T345] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.927616][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.927909][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.928202][ T345] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.928482][ T345] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.928773][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.929081][ T345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.929354][ T345] ? __create_object (mm/kmemleak.c:771) 
[ 20.929677][ T345] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.929961][ T345] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.930252][ T345] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.930632][ T345] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.930920][ T345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.931214][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.931495][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.931796][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.932097][ T345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.932378][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.932669][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.932946][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.933244][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.933559][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.933882][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.934194][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.934487][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.934787][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.935066][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.935389][ T345] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.935682][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.935960][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.936258][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.936535][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.936827][ T345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.937128][ T345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.937422][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.937739][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.938092][ T345] ___sys_sendmsg (net/socket.c:2670) 
[ 20.938376][ T345] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.938660][ T345] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 20.939010][ T345] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.939300][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.939622][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.939925][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.940204][ T345] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.940490][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.940790][ T345] __sys_sendmsg (net/socket.c:2700) 
[ 20.941071][ T345] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.941443][ T345] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.941758][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.942047][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.942338][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.942690][  T345] RIP: 0033:0x7f68016171e7
[ 20.942998][ T345] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   20.944114][  T345] RSP: 002b:00007fff651ecca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.944547][  T345] RAX: ffffffffffffffda RBX: 00007fff651ed3d0 RCX: 00007f68016171e7
[   20.944970][  T345] RDX: 0000000000000000 RSI: 00007fff651ecd10 RDI: 0000000000000005
[   20.945392][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   20.945848][  T345] R10: 00007f6801514ee8 R11: 0000000000000246 R12: 0000000000000004
[   20.946281][  T345] R13: 00000000686e3afc R14: 0000000000499600 R15: 0000000000000000
| [   24.546152][  T403] ------------[ cut here ]------------
| [ 24.546484][ T403] WARNING: CPU: 3 PID: 403 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.547058][  T403] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   24.548190][  T403] Tainted: [W]=WARN
[   24.548401][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.548759][ T403] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.549059][ T403] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.550094][  T403] RSP: 0018:ffffc90000677140 EFLAGS: 00010246
[   24.550446][  T403] RAX: 0000000000000000 RBX: ffff888008a01000 RCX: 0000000000000001
[   24.550871][  T403] RDX: 0000000000000000 RSI: ffffffff99c9b941 RDI: ffffffff994555e0
[   24.551289][  T403] RBP: ffffc90000677230 R08: ffff888009608800 R09: 0000000000000000
[   24.551728][  T403] R10: ffffc900006775c8 R11: ffffffff9aa50668 R12: 1ffff920000cee2c
[   24.552146][  T403] R13: 0000000000002710 R14: ffffc90000677880 R15: ffff88800ab15fe0
[   24.552566][  T403] FS:  00007f2244c1b800(0000) GS:ffff88809a637000(0000) knlGS:0000000000000000
[   24.553061][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.553417][  T403] CR2: 00000000004e5aa8 CR3: 000000000ca59005 CR4: 0000000000772ef0
[   24.553841][  T403] PKRU: 55555554
[   24.554050][  T403] Call Trace:
[   24.554258][  T403]  <TASK>
[ 24.554400][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.554693][ T403] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.554972][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.555254][ T403] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.555537][ T403] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 24.555826][ T403] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 24.556110][ T403] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 24.556395][ T403] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.556754][ T403] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.557033][ T403] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.557309][ T403] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.557608][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.557891][ T403] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 24.558170][ T403] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.558515][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.558809][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.559088][ T403] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.559363][ T403] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.559671][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.559950][ T403] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.560225][ T403] ? __create_object (mm/kmemleak.c:771) 
[ 24.560506][ T403] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.560792][ T403] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.561069][ T403] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.561411][ T403] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.561713][ T403] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.561998][ T403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.562271][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.562551][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.562846][ T403] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.563122][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.563399][ T403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.563684][ T403] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.563966][ T403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.564246][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.564530][ T403] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.564826][ T403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.565104][ T403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.565391][ T403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.565676][ T403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.565963][ T403] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.566241][ T403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.566517][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.566812][ T403] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.567091][ T403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.567367][ T403] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.567667][ T403] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.567949][ T403] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.568226][ T403] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.568601][ T403] ___sys_sendmsg (net/socket.c:2670) 
[ 24.568881][ T403] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.569158][ T403] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 24.569509][ T403] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.569811][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.570103][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.570388][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.570677][ T403] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.570957][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.571241][ T403] __sys_sendmsg (net/socket.c:2700) 
[ 24.571517][ T403] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.571870][ T403] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.572159][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.572449][ T403] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.572740][ T403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.573086][  T403] RIP: 0033:0x7f2244de81e7
[ 24.573371][ T403] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.574371][  T403] RSP: 002b:00007ffeabaa4008 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.574819][  T403] RAX: ffffffffffffffda RBX: 00007ffeabaa4730 RCX: 00007f2244de81e7
[   24.575264][  T403] RDX: 0000000000000000 RSI: 00007ffeabaa4070 RDI: 0000000000000005
[   24.575694][  T403] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   24.576116][  T403] R10: 00007f2244ce5ee8 R11: 0000000000000246 R12: 0000000000000004
[   24.576541][  T403] R13: 00000000686e3b00 R14: 0000000000499600 R15: 0000000000000000
| [   25.050222][  T415] ------------[ cut here ]------------
| [ 25.050572][ T415] WARNING: CPU: 2 PID: 415 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   25.051220][  T415] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   25.052493][  T415] Tainted: [W]=WARN
[   25.052753][  T415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.053153][ T415] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 25.053501][ T415] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   25.054627][  T415] RSP: 0018:ffffc900006c6ef0 EFLAGS: 00010246
[   25.055042][  T415] RAX: 0000000000000000 RBX: ffff888009ada000 RCX: 0000000000000001
[   25.055528][  T415] RDX: 0000000000000000 RSI: ffffffff99c9b941 RDI: ffffffff994555e0
[   25.056014][  T415] RBP: ffffc900006c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.056489][  T415] R10: ffffc900006c7010 R11: ffffffff9aaa8918 R12: 1ffff920000d8de2
[   25.056980][  T415] R13: 0000000000002710 R14: ffffc900006c7010 R15: ffff888009adaf08
[   25.057461][  T415] FS:  00007f4449f3b800(0000) GS:ffff88809a5b7000(0000) knlGS:0000000000000000
[   25.058036][  T415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.058440][  T415] CR2: 00000000004e5410 CR3: 0000000009598002 CR4: 0000000000772ef0
[   25.058932][  T415] PKRU: 55555554
[   25.059176][  T415] Call Trace:
[   25.059422][  T415]  <TASK>
[ 25.059631][ T415] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.059968][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.060303][ T415] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.060637][ T415] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.061045][ T415] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.061371][ T415] netif_set_mtu (net/core/dev.c:9652) 
[ 25.061707][ T415] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.062041][ T415] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.062511][ T415] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.062780][ T415] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.063213][ T415] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.063574][ T415] do_set_master (net/core/rtnetlink.c:2948) 
[ 25.063918][ T415] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.064249][ T415] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.064672][ T415] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.065004][ T415] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.065331][ T415] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.065674][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.066005][ T415] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 25.066326][ T415] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.066737][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.067061][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.067385][ T415] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.067711][ T415] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.068034][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.068361][ T415] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.068690][ T415] ? __create_object (mm/kmemleak.c:771) 
[ 25.069027][ T415] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.069355][ T415] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.069852][ T415] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.070396][ T415] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.070877][ T415] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.071279][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.071613][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.071946][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.072283][ T415] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.072613][ T415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.072945][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.073269][ T415] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.073601][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.073930][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.074259][ T415] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.074586][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.074934][ T415] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.075276][ T415] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.075607][ T415] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 25.075935][ T415] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.076260][ T415] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.076584][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.076924][ T415] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.077254][ T415] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.077582][ T415] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.077926][ T415] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.078252][ T415] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.078573][ T415] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.078994][ T415] ___sys_sendmsg (net/socket.c:2670) 
[ 25.079317][ T415] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.079657][ T415] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 25.080065][ T415] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.080392][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.080733][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.081063][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.081689][ T415] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.082015][ T415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.082347][ T415] __sys_sendmsg (net/socket.c:2700) 
[ 25.082681][ T415] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.083089][ T415] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.083884][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.084212][ T415] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.084536][ T415] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.084940][  T415] RIP: 0033:0x7f444a1081e7
[ 25.085511][ T415] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.086639][  T415] RSP: 002b:00007fffe1658af8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.087121][  T415] RAX: ffffffffffffffda RBX: 00007fffe1659220 RCX: 00007f444a1081e7
[   25.087602][  T415] RDX: 0000000000000000 RSI: 00007fffe1658b60 RDI: 0000000000000005
[   25.088306][  T415] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.088795][  T415] R10: 0000000011694910 R11: 0000000000000246 R12: 0000000000000004
[   25.089283][  T415] R13: 00000000686e3b00 R14: 0000000000499600 R15: 0000000000000000
| [   25.761012][  T432] ------------[ cut here ]------------
| [ 25.761375][ T432] WARNING: CPU: 2 PID: 432 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   25.762037][  T432] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   25.764237][  T432] Tainted: [W]=WARN
[   25.764481][  T432] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.764901][ T432] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 25.765239][ T432] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   25.766356][  T432] RSP: 0018:ffffc90000566ef0 EFLAGS: 00010246
[   25.766768][  T432] RAX: 0000000000000000 RBX: ffff88800bbfa000 RCX: 0000000000000001
[   25.767244][  T432] RDX: 0000000000000000 RSI: ffffffff99c9b941 RDI: ffffffff994555e0
[   25.767733][  T432] RBP: ffffc90000566fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.768211][  T432] R10: ffffc90000567010 R11: ffffffff9aaa8918 R12: 1ffff920000acde2
[   25.768692][  T432] R13: 0000000000002710 R14: ffffc90000567010 R15: ffff88800bbfaf08
[   25.769166][  T432] FS:  00007fe4aee31800(0000) GS:ffff88809a5b7000(0000) knlGS:0000000000000000
[   25.769741][  T432] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.770140][  T432] CR2: 00000000004e5418 CR3: 000000000b492004 CR4: 0000000000772ef0
[   25.770633][  T432] PKRU: 55555554
[   25.770889][  T432] Call Trace:
[   25.771140][  T432]  <TASK>
[ 25.771314][ T432] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.771647][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.771976][ T432] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.772297][ T432] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.772708][ T432] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.773036][ T432] netif_set_mtu (net/core/dev.c:9652) 
[ 25.773356][ T432] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.773700][ T432] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.774131][ T432] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.774378][ T432] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.774815][ T432] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.775184][ T432] do_set_master (net/core/rtnetlink.c:2948) 
[ 25.775519][ T432] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.775860][ T432] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.776261][ T432] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.776583][ T432] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.776927][ T432] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.777254][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.777583][ T432] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 25.777916][ T432] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.778314][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.778645][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.778961][ T432] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.779280][ T432] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.779622][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.779956][ T432] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.780283][ T432] ? __create_object (mm/kmemleak.c:771) 
[ 25.780620][ T432] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.780944][ T432] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.781267][ T432] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.781674][ T432] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.782005][ T432] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.782339][ T432] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.782673][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.783013][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.783342][ T432] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.783670][ T432] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.783995][ T432] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.784318][ T432] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.784656][ T432] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.784983][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.785311][ T432] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.785663][ T432] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.785995][ T432] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.786331][ T432] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.786662][ T432] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 25.786988][ T432] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.787311][ T432] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.787641][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.787982][ T432] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.788313][ T432] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.788653][ T432] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.788987][ T432] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.789310][ T432] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.789646][ T432] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.790052][ T432] ___sys_sendmsg (net/socket.c:2670) 
[ 25.790379][ T432] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.790714][ T432] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 25.791119][ T432] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.791444][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.791782][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.792109][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.792430][ T432] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.792763][ T432] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.793096][ T432] __sys_sendmsg (net/socket.c:2700) 
[ 25.793414][ T432] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.793821][ T432] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.794152][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.794709][ T432] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.795034][ T432] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.795425][  T432] RIP: 0033:0x7fe4aeffe1e7
[ 25.796010][ T432] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.797136][  T432] RSP: 002b:00007ffdffee67b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.797857][  T432] RAX: ffffffffffffffda RBX: 00007ffdffee6ee0 RCX: 00007fe4aeffe1e7
[   25.798347][  T432] RDX: 0000000000000000 RSI: 00007ffdffee6820 RDI: 0000000000000005
[   25.799059][  T432] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.799547][  T432] R10: 0000000013be3910 R11: 0000000000000246 R12: 0000000000000004
[   25.800040][  T432] R13: 00000000686e3b01 R14: 0000000000499600 R15: 0000000000000000
| [   26.488998][  T450] ------------[ cut here ]------------
| [ 26.489367][ T450] WARNING: CPU: 2 PID: 450 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   26.489976][  T450] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   26.491084][  T450] Tainted: [W]=WARN
[   26.491310][  T450] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.491696][ T450] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 26.492007][ T450] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   26.493968][  T450] RSP: 0018:ffffc9000093f140 EFLAGS: 00010246
[   26.494349][  T450] RAX: 0000000000000000 RBX: ffff888008641000 RCX: 0000000000000001
[   26.494787][  T450] RDX: 0000000000000000 RSI: ffffffff99c9b941 RDI: ffffffff994555e0
[   26.495215][  T450] RBP: ffffc9000093f230 R08: ffff88800c970800 R09: 0000000000000000
[   26.495655][  T450] R10: ffffc9000093f5c8 R11: ffffffff9aa50668 R12: 1ffff92000127e2c
[   26.496092][  T450] R13: 0000000000002710 R14: ffffc9000093f880 R15: ffff88800ab151e0
[   26.496518][  T450] FS:  00007fe5a494d800(0000) GS:ffff88809a5b7000(0000) knlGS:0000000000000000
[   26.497024][  T450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.497385][  T450] CR2: 00000000004e5ab0 CR3: 000000000cbae006 CR4: 0000000000772ef0
[   26.497830][  T450] PKRU: 55555554
[   26.498052][  T450] Call Trace:
[   26.498273][  T450]  <TASK>
[ 26.498430][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.498743][ T450] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.499035][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.499330][ T450] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 26.499646][ T450] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 26.499947][ T450] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 26.500242][ T450] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 26.500535][ T450] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.500909][ T450] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.501200][ T450] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.501487][ T450] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.501785][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.502088][ T450] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 26.502381][ T450] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.502746][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.503040][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.503331][ T450] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.503630][ T450] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.503922][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.504217][ T450] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.504502][ T450] ? __create_object (mm/kmemleak.c:771) 
[ 26.504800][ T450] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 26.505091][ T450] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 26.505379][ T450] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.505746][ T450] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 26.506046][ T450] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.506344][ T450] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.506648][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.506943][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.507229][ T450] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.507517][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.507836][ T450] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.508124][ T450] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.508418][ T450] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.508724][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.509018][ T450] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.509308][ T450] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.509619][ T450] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.509923][ T450] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.510213][ T450] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 26.510499][ T450] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.510806][ T450] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.511092][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.511385][ T450] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.511697][ T450] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.511988][ T450] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.512283][ T450] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.512583][ T450] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.512884][ T450] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.513261][ T450] ___sys_sendmsg (net/socket.c:2670) 
[ 26.513551][ T450] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.513851][ T450] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 26.514210][ T450] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.514501][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.514802][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.515097][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.515391][ T450] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.515691][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.515991][ T450] __sys_sendmsg (net/socket.c:2700) 
[ 26.516275][ T450] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.516638][ T450] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.516943][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.517236][ T450] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.517533][ T450] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.517896][  T450] RIP: 0033:0x7fe5a4b1a1e7
[ 26.518194][ T450] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   26.519188][  T450] RSP: 002b:00007ffd9a4fb6c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.519639][  T450] RAX: ffffffffffffffda RBX: 00007ffd9a4fbdf0 RCX: 00007fe5a4b1a1e7
[   26.520070][  T450] RDX: 0000000000000000 RSI: 00007ffd9a4fb730 RDI: 0000000000000005
[   26.520493][  T450] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   26.520928][  T450] R10: 00007fe5a4a17ee8 R11: 0000000000000246 R12: 0000000000000004
[   26.521359][  T450] R13: 00000000686e3b02 R14: 0000000000499600 R15: 0000000000000000
| [   26.979229][  T462] ------------[ cut here ]------------
| [ 26.979632][ T462] WARNING: CPU: 3 PID: 462 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   26.980337][  T462] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   26.981726][  T462] Tainted: [W]=WARN
[   26.981996][  T462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.982437][ T462] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 26.982828][ T462] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   26.984102][  T462] RSP: 0018:ffffc9000097eef0 EFLAGS: 00010246
[   26.984561][  T462] RAX: 0000000000000000 RBX: ffff888009ada000 RCX: 0000000000000001
[   26.985093][  T462] RDX: 0000000000000000 RSI: ffffffff99c9b941 RDI: ffffffff994555e0
[   26.985628][  T462] RBP: ffffc9000097efe0 R08: 0000000000000000 R09: 0000000000000000
[   26.986158][  T462] R10: ffffc9000097f010 R11: ffffffff9aaa8918 R12: 1ffff9200012fde2
[   26.986701][  T462] R13: 0000000000002710 R14: ffffc9000097f010 R15: ffff888009adaf08
[   26.987235][  T462] FS:  00007fefc35d0800(0000) GS:ffff88809a637000(0000) knlGS:0000000000000000
[   26.987858][  T462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.988309][  T462] CR2: 00000000004e5410 CR3: 000000000bb77003 CR4: 0000000000772ef0
[   26.988853][  T462] PKRU: 55555554
[   26.989119][  T462] Call Trace:
[   26.989393][  T462]  <TASK>
[ 26.989602][ T462] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.989971][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.990332][ T462] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 26.990714][ T462] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 26.991157][ T462] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 26.991524][ T462] netif_set_mtu (net/core/dev.c:9652) 
[ 26.991890][ T462] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.992269][ T462] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 26.992764][ T462] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.993044][ T462] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 26.993526][ T462] br_add_if (net/bridge/br_if.c:697) bridge 
[ 26.993941][ T462] do_set_master (net/core/rtnetlink.c:2948) 
[ 26.994311][ T462] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 26.994697][ T462] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.995145][ T462] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.995513][ T462] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.995885][ T462] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.996255][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.996639][ T462] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 26.997021][ T462] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.997460][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.997826][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.998190][ T462] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.998550][ T462] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.998922][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.999285][ T462] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.999657][ T462] ? __create_object (mm/kmemleak.c:771) 
[ 27.000026][ T462] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 27.000379][ T462] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 27.000771][ T462] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 27.001220][ T462] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 27.001583][ T462] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.001961][ T462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.002322][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.002698][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.003062][ T462] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.003411][ T462] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.003776][ T462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.004128][ T462] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.004490][ T462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.004862][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.005231][ T462] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.005609][ T462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.005971][ T462] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.006338][ T462] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.006708][ T462] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 27.007078][ T462] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 27.007450][ T462] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.007810][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.008178][ T462] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.008546][ T462] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.008913][ T462] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.009298][ T462] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.009698][ T462] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.010053][ T462] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.010512][ T462] ___sys_sendmsg (net/socket.c:2670) 
[ 27.010884][ T462] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 27.011261][ T462] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 27.011728][ T462] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.012099][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.012456][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.012823][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.013176][ T462] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 27.013528][ T462] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.013899][ T462] __sys_sendmsg (net/socket.c:2700) 
[ 27.014256][ T462] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 27.014700][ T462] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.015064][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.015416][ T462] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.015777][ T462] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.016210][  T462] RIP: 0033:0x7fefc379d1e7
[ 27.016575][ T462] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   27.017825][  T462] RSP: 002b:00007fff5e3f27e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.018354][  T462] RAX: ffffffffffffffda RBX: 00007fff5e3f2f10 RCX: 00007fefc379d1e7
[   27.018886][  T462] RDX: 0000000000000000 RSI: 00007fff5e3f2850 RDI: 0000000000000005
[   27.019422][  T462] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   27.019978][  T462] R10: 00000000284ee910 R11: 0000000000000246 R12: 0000000000000004
[   27.020506][  T462] R13: 00000000686e3b02 R14: 0000000000499600 R15: 0000000000000000
| [   27.767669][  T479] ------------[ cut here ]------------
| [ 27.767985][ T479] WARNING: CPU: 0 PID: 479 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   27.768976][  T479] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   27.770226][  T479] Tainted: [W]=WARN
[   27.770468][  T479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.770877][ T479] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 27.771212][ T479] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   27.772400][  T479] RSP: 0018:ffffc90000746ef0 EFLAGS: 00010246
[   27.772819][  T479] RAX: 0000000000000000 RBX: ffff88800bbfa000 RCX: 0000000000000001
[   27.773297][  T479] RDX: 0000000000000000 RSI: ffffffff99c9b941 RDI: ffffffff994555e0
[   27.773783][  T479] RBP: ffffc90000746fe0 R08: 0000000000000000 R09: 0000000000000000
[   27.774262][  T479] R10: ffffc90000747010 R11: ffffffff9aaa8918 R12: 1ffff920000e8de2
[   27.774751][  T479] R13: 0000000000002710 R14: ffffc90000747010 R15: ffff88800bbfaf08
[   27.775229][  T479] FS:  00007fb3882b3800(0000) GS:ffff88809a4b7000(0000) knlGS:0000000000000000
[   27.775800][  T479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.776203][  T479] CR2: 00000000004e5418 CR3: 000000000a597004 CR4: 0000000000772ef0
[   27.776704][  T479] PKRU: 55555554
[   27.776941][  T479] Call Trace:
[   27.777185][  T479]  <TASK>
[ 27.777354][ T479] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 27.777687][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.778017][ T479] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 27.778336][ T479] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 27.778748][ T479] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 27.779076][ T479] netif_set_mtu (net/core/dev.c:9652) 
[ 27.779400][ T479] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 27.779752][ T479] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 27.780193][ T479] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 27.780434][ T479] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 27.780873][ T479] br_add_if (net/bridge/br_if.c:697) bridge 
[ 27.781235][ T479] do_set_master (net/core/rtnetlink.c:2948) 
[ 27.781557][ T479] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 27.781888][ T479] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 27.782290][ T479] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 27.782622][ T479] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 27.782938][ T479] ? __kernel_text_address (kernel/extable.c:79) 
[ 27.783261][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.783584][ T479] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 27.783921][ T479] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 27.784314][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.784646][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.784961][ T479] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 27.785276][ T479] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 27.785604][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.785921][ T479] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 27.786242][ T479] ? __create_object (mm/kmemleak.c:771) 
[ 27.786565][ T479] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 27.786895][ T479] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 27.787211][ T479] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 27.787614][ T479] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 27.787935][ T479] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.788255][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.788578][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.788916][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.789235][ T479] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.789563][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.789900][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.790215][ T479] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.790533][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.790860][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.791187][ T479] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.791507][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.791834][ T479] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.792163][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.792478][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 27.792810][ T479] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 27.793133][ T479] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.793448][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.793782][ T479] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.794103][ T479] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.794419][ T479] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.794755][ T479] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.795077][ T479] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.795393][ T479] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.795819][ T479] ___sys_sendmsg (net/socket.c:2670) 
[ 27.796135][ T479] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 27.796453][ T479] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 27.796857][ T479] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.797177][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.797495][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.797828][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.798152][ T479] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 27.798471][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.798807][ T479] __sys_sendmsg (net/socket.c:2700) 
[ 27.799118][ T479] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 27.799516][ T479] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.799867][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.800186][ T479] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.800505][ T479] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.800917][  T479] RIP: 0033:0x7fb3884801e7
[ 27.801249][ T479] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   27.802386][  T479] RSP: 002b:00007fffabcfaed8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.802886][  T479] RAX: ffffffffffffffda RBX: 00007fffabcfb600 RCX: 00007fb3884801e7
[   27.803365][  T479] RDX: 0000000000000000 RSI: 00007fffabcfaf40 RDI: 0000000000000005
[   27.803848][  T479] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   27.804323][  T479] R10: 00000000099db910 R11: 0000000000000246 R12: 0000000000000004
[   27.804818][  T479] R13: 00000000686e3b03 R14: 0000000000499600 R15: 0000000000000000
| [  113.390147][  T849] ------------[ cut here ]------------
| [ 113.390555][ T849] WARNING: CPU: 2 PID: 849 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  113.391249][  T849] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  113.393132][  T849] Tainted: [W]=WARN
[  113.393411][  T849] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.393847][ T849] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 113.394196][ T849] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  113.395386][  T849] RSP: 0018:ffffc9000116ef70 EFLAGS: 00010246
[  113.395851][  T849] RAX: 0000000000000000 RBX: ffff88800bbfa000 RCX: 0000000000000001
[  113.396394][  T849] RDX: 0000000000000000 RSI: ffffffff99c9b941 RDI: ffffffff994555e0
[  113.396918][  T849] RBP: ffffc9000116f058 R08: 0000000000000000 R09: 0000000000000000
[  113.397440][  T849] R10: ffffc9000116f088 R11: ffffffff96000130 R12: 1ffff9200022ddf2
[  113.397960][  T849] R13: 0000000000002710 R14: ffffc9000116f088 R15: ffff88800bbfaf08
[  113.398468][  T849] FS:  00007f8ba7c74800(0000) GS:ffff88809a5b7000(0000) knlGS:0000000000000000
[  113.399107][  T849] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.399561][  T849] CR2: 00000000004e5630 CR3: 00000000059c1005 CR4: 0000000000772ef0
[  113.400147][  T849] PKRU: 55555554
[  113.400421][  T849] Call Trace:
[  113.400726][  T849]  <TASK>
[ 113.400917][ T849] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 113.401342][ T849] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 113.401758][ T849] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 113.402114][ T849] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.402446][ T849] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.402815][ T849] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.403167][ T849] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.403515][ T849] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.403873][ T849] ? ___sys_sendmsg (net/socket.c:2670) 
[ 113.404207][ T849] ? __sys_sendmsg (net/socket.c:2700) 
[ 113.404550][ T849] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.404899][ T849] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 113.405313][ T849] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.405701][ T849] netif_set_mtu (net/core/dev.c:9652) 
[ 113.406036][ T849] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.406373][ T849] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.406670][ T849] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.407126][ T849] br_del_if (net/bridge/br_if.c:743) bridge 
[ 113.407479][ T849] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 113.407820][ T849] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 113.408156][ T849] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.408496][ T849] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 113.408918][ T849] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.409248][ T849] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 113.409569][ T849] ? __kernel_text_address (kernel/extable.c:79) 
[ 113.409963][ T849] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.410322][ T849] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 113.410687][ T849] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 113.411099][ T849] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.411451][ T849] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.411804][ T849] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 113.412150][ T849] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 113.412490][ T849] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.412855][ T849] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.413192][ T849] ? __create_object (mm/kmemleak.c:771) 
[ 113.413539][ T849] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 113.413875][ T849] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 113.414197][ T849] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 113.414624][ T849] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 113.414962][ T849] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.415287][ T849] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.415616][ T849] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.415940][ T849] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.416262][ T849] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.416598][ T849] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.416920][ T849] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.417244][ T849] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.417565][ T849] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.417901][ T849] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.418225][ T849] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.418555][ T849] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.418898][ T849] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.419232][ T849] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.419560][ T849] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 113.419966][ T849] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.420296][ T849] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.420631][ T849] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.420961][ T849] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.421286][ T849] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.421622][ T849] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.421962][ T849] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.422288][ T849] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.422629][ T849] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.423044][ T849] ___sys_sendmsg (net/socket.c:2670) 
[ 113.423360][ T849] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 113.423709][ T849] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 113.424144][ T849] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.424495][ T849] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.424844][ T849] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.425199][ T849] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.425547][ T849] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 113.425885][ T849] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.426248][ T849] __sys_sendmsg (net/socket.c:2700) 
[ 113.426587][ T849] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 113.427042][ T849] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.427393][ T849] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.427743][ T849] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.428091][ T849] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.428498][  T849] RIP: 0033:0x7f8ba7e411e7
[ 113.428867][ T849] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  113.430104][  T849] RSP: 002b:00007fffce753ab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.430622][  T849] RAX: ffffffffffffffda RBX: 00007fffce7541e0 RCX: 00007f8ba7e411e7
[  113.431122][  T849] RDX: 0000000000000000 RSI: 00007fffce753b20 RDI: 0000000000000005
[  113.431631][  T849] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  113.432138][  T849] R10: 00007f8ba7d3eee8 R11: 0000000000000246 R12: 0000000000000003
[  113.432656][  T849] R13: 00000000686e3b59 R14: 0000000000499600 R15: 0000000000000000
| [  113.937843][  T857] ------------[ cut here ]------------
| [ 113.938187][ T857] WARNING: CPU: 0 PID: 857 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  113.938839][  T857] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  113.940193][  T857] Tainted: [W]=WARN
[  113.940439][  T857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.940863][ T857] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 113.941194][ T857] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  113.942363][  T857] RSP: 0018:ffffc900011cef70 EFLAGS: 00010246
[  113.942799][  T857] RAX: 0000000000000000 RBX: ffff888009ada000 RCX: 0000000000000001
[  113.943287][  T857] RDX: 0000000000000000 RSI: ffffffff99c9b941 RDI: ffffffff994555e0
[  113.943784][  T857] RBP: ffffc900011cf058 R08: 0000000000000000 R09: 0000000000000000
[  113.944266][  T857] R10: ffffc900011cf088 R11: ffffffff9a179160 R12: 1ffff92000239df2
[  113.944758][  T857] R13: 0000000000002710 R14: ffffc900011cf088 R15: ffff888009adaf08
[  113.945241][  T857] FS:  00007f7d93fce800(0000) GS:ffff88809a4b7000(0000) knlGS:0000000000000000
[  113.946095][  T857] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.946501][  T857] CR2: 00000000004e5628 CR3: 0000000002625006 CR4: 0000000000772ef0
[  113.947183][  T857] PKRU: 55555554
[  113.947433][  T857] Call Trace:
[  113.947809][  T857]  <TASK>
[ 113.947965][ T857] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 113.948348][ T857] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 113.948862][ T857] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 113.949187][ T857] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.949494][ T857] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.950013][ T857] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.950322][ T857] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.950675][ T857] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.950981][ T857] ? ___sys_sendmsg (net/socket.c:2670) 
[ 113.951295][ T857] ? __sys_sendmsg (net/socket.c:2700) 
[ 113.951616][ T857] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.951926][ T857] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 113.952307][ T857] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.952642][ T857] netif_set_mtu (net/core/dev.c:9652) 
[ 113.952949][ T857] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.953271][ T857] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.953505][ T857] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.953937][ T857] br_del_if (net/bridge/br_if.c:743) bridge 
[ 113.954270][ T857] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 113.954577][ T857] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 113.954897][ T857] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.955206][ T857] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 113.955606][ T857] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.955914][ T857] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 113.956226][ T857] ? __kernel_text_address (kernel/extable.c:79) 
[ 113.956553][ T857] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.956871][ T857] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 113.957206][ T857] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 113.957609][ T857] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.957926][ T857] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.958227][ T857] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 113.958544][ T857] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 113.958863][ T857] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.959168][ T857] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.959472][ T857] ? __create_object (mm/kmemleak.c:771) 
[ 113.959798][ T857] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 113.960107][ T857] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 113.960415][ T857] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 113.960804][ T857] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 113.961124][ T857] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.961436][ T857] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.961750][ T857] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.962062][ T857] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.962370][ T857] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.962680][ T857] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.962992][ T857] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.963306][ T857] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.963628][ T857] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.963935][ T857] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.964244][ T857] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.964552][ T857] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.964864][ T857] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.965179][ T857] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.965486][ T857] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 113.965813][ T857] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.966121][ T857] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.966426][ T857] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.966743][ T857] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.967051][ T857] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.967358][ T857] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.967677][ T857] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.967997][ T857] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.968300][ T857] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.968699][ T857] ___sys_sendmsg (net/socket.c:2670) 
[ 113.969001][ T857] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 113.969304][ T857] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 113.969712][ T857] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.970023][ T857] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.970338][ T857] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.970658][ T857] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.970961][ T857] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 113.971266][ T857] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.971578][ T857] __sys_sendmsg (net/socket.c:2700) 
[ 113.971893][ T857] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 113.972269][ T857] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.972607][ T857] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.972912][ T857] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.973215][ T857] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.973618][  T857] RIP: 0033:0x7f7d9419b1e7
[ 113.973987][ T857] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  113.975163][  T857] RSP: 002b:00007ffebf54fe38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.975663][  T857] RAX: ffffffffffffffda RBX: 00007ffebf550560 RCX: 00007f7d9419b1e7
[  113.976150][  T857] RDX: 0000000000000000 RSI: 00007ffebf54fea0 RDI: 0000000000000005
[  113.976647][  T857] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  113.977138][  T857] R10: 00007f7d94098ee8 R11: 0000000000000246 R12: 0000000000000003
[  113.977634][  T857] R13: 00000000686e3b59 R14: 0000000000499600 R15: 0000000000000000
| [  114.334274][  T861] ------------[ cut here ]------------
| [ 114.334895][ T861] WARNING: CPU: 1 PID: 861 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  114.335862][  T861] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  114.337903][  T861] Tainted: [W]=WARN
[  114.338276][  T861] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.338908][ T861] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 114.339422][ T861] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  114.341188][  T861] RSP: 0018:ffffc90000fdf140 EFLAGS: 00010246
[  114.341830][  T861] RAX: 0000000000000000 RBX: ffff888008641000 RCX: 0000000000000001
[  114.342555][  T861] RDX: 0000000000000000 RSI: ffffffff99c9b941 RDI: ffffffff994555e0
[  114.343305][  T861] RBP: ffffc90000fdf230 R08: ffff888009475000 R09: 0000000000000000
[  114.344050][  T861] R10: ffffc90000fdf5c8 R11: ffffffff9aa50668 R12: 1ffff920001fbe2c
[  114.344799][  T861] R13: 00000000000005dc R14: ffffc90000fdf880 R15: ffff88800b43f4e0
[  114.345541][  T861] FS:  00007f934a6bc800(0000) GS:ffff88809a537000(0000) knlGS:0000000000000000
[  114.346443][  T861] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.347068][  T861] CR2: 00000000004e5ab0 CR3: 0000000009202003 CR4: 0000000000772ef0
[  114.347815][  T861] PKRU: 55555554
[  114.348181][  T861] Call Trace:
[  114.348550][  T861]  <TASK>
[ 114.348818][ T861] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.349317][ T861] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.349852][ T861] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.350347][ T861] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 114.350857][ T861] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 114.351354][ T861] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 114.351874][ T861] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 114.352384][ T861] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 114.353023][ T861] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 114.353528][ T861] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 114.354048][ T861] ? __kernel_text_address (kernel/extable.c:79) 
[ 114.354549][ T861] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.355052][ T861] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 114.355541][ T861] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 114.356164][ T861] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.356672][ T861] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.357182][ T861] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 114.357689][ T861] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 114.358176][ T861] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.358684][ T861] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.359162][ T861] ? __create_object (mm/kmemleak.c:771) 
[ 114.359669][ T861] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 114.360170][ T861] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 114.360672][ T861] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 114.361286][ T861] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 114.361828][ T861] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.362349][ T861] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.362855][ T861] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.363356][ T861] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.363861][ T861] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.364351][ T861] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.364872][ T861] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.365352][ T861] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.365866][ T861] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.366367][ T861] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.366896][ T861] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.367383][ T861] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.367898][ T861] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.368409][ T861] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.368936][ T861] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 114.369433][ T861] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.369975][ T861] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.370471][ T861] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.370981][ T861] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.371474][ T861] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.371989][ T861] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.372505][ T861] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.373025][ T861] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.373515][ T861] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.374163][ T861] ___sys_sendmsg (net/socket.c:2670) 
[ 114.374654][ T861] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 114.375147][ T861] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 114.375777][ T861] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.376287][ T861] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.376811][ T861] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.377309][ T861] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.377824][ T861] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 114.378329][ T861] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.378851][ T861] __sys_sendmsg (net/socket.c:2700) 
[ 114.379341][ T861] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 114.380003][ T861] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.380528][ T861] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.381049][ T861] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.381549][ T861] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.382184][  T861] RIP: 0033:0x7f934a8891e7
[ 114.382715][ T861] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  114.384476][  T861] RSP: 002b:00007fff2f2dfe08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.385227][  T861] RAX: ffffffffffffffda RBX: 00007fff2f2e0530 RCX: 00007f934a8891e7
[  114.385981][  T861] RDX: 0000000000000000 RSI: 00007fff2f2dfe70 RDI: 0000000000000005
[  114.386721][  T861] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  114.387442][  T861] R10: 00007f934a786ee8 R11: 0000000000000246 R12: 0000000000000004
[  114.388195][  T861] R13: 00000000686e3b5a R14: 0000000000499600 R15: 0000000000000000
| [  114.853683][  T867] ------------[ cut here ]------------
| [ 114.854005][ T867] WARNING: CPU: 3 PID: 867 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  114.855378][  T867] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  114.856682][  T867] Tainted: [W]=WARN
[  114.856913][  T867] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.857294][ T867] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 114.857617][ T867] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  114.858720][  T867] RSP: 0018:ffffc9000121ef70 EFLAGS: 00010246
[  114.859108][  T867] RAX: 0000000000000000 RBX: ffff88800bbfa000 RCX: 0000000000000001
[  114.859565][  T867] RDX: 0000000000000000 RSI: ffffffff99c9b941 RDI: ffffffff994555e0
[  114.860067][  T867] RBP: ffffc9000121f058 R08: 0000000000000000 R09: 0000000000000000
[  114.860524][  T867] R10: ffffc9000121f088 R11: ffffffff9a179160 R12: 1ffff92000243df2
[  114.861015][  T867] R13: 00000000000005dc R14: ffffc9000121f088 R15: ffff88800bbfaf08
[  114.861471][  T867] FS:  00007f5368462800(0000) GS:ffff88809a637000(0000) knlGS:0000000000000000
[  114.862015][  T867] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.862400][  T867] CR2: 00000000004e73c0 CR3: 000000000ed3d004 CR4: 0000000000772ef0
[  114.862874][  T867] PKRU: 55555554
[  114.863106][  T867] Call Trace:
[  114.863337][  T867]  <TASK>
[ 114.863495][ T867] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 114.863890][ T867] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 114.864232][ T867] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 114.864543][ T867] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 114.864853][ T867] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.865164][ T867] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.865469][ T867] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.865779][ T867] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.866087][ T867] ? ___sys_sendmsg (net/socket.c:2670) 
[ 114.866390][ T867] ? __sys_sendmsg (net/socket.c:2700) 
[ 114.866697][ T867] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.867005][ T867] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 114.867381][ T867] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.867708][ T867] netif_set_mtu (net/core/dev.c:9652) 
[ 114.868015][ T867] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.868336][ T867] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.868569][ T867] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.868990][ T867] br_del_if (net/bridge/br_if.c:743) bridge 
[ 114.869321][ T867] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 114.869647][ T867] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 114.869968][ T867] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 114.870279][ T867] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 114.870675][ T867] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 114.870981][ T867] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 114.871289][ T867] ? __kernel_text_address (kernel/extable.c:79) 
[ 114.871608][ T867] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.871917][ T867] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 114.872231][ T867] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 114.872622][ T867] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.872930][ T867] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.873233][ T867] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 114.873537][ T867] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 114.873851][ T867] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.874157][ T867] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.874459][ T867] ? __create_object (mm/kmemleak.c:771) 
[ 114.874786][ T867] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 114.875094][ T867] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 114.875401][ T867] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 114.875790][ T867] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 114.876104][ T867] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.876414][ T867] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.876726][ T867] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.877044][ T867] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.877348][ T867] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.877665][ T867] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.877972][ T867] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.878276][ T867] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.878651][ T867] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.878978][ T867] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.879309][ T867] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.879650][ T867] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.879956][ T867] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.880270][ T867] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.880575][ T867] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 114.880892][ T867] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.881202][ T867] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.881508][ T867] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.881835][ T867] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.882148][ T867] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.882458][ T867] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.882781][ T867] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.883094][ T867] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.883405][ T867] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.883828][ T867] ___sys_sendmsg (net/socket.c:2670) 
[ 114.884143][ T867] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 114.884446][ T867] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 114.884837][ T867] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.885145][ T867] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.885450][ T867] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.885767][ T867] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.886071][ T867] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 114.886383][ T867] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.886701][ T867] __sys_sendmsg (net/socket.c:2700) 
[ 114.887003][ T867] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 114.887383][ T867] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.887709][ T867] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.888016][ T867] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.888322][ T867] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.888713][  T867] RIP: 0033:0x7f536862f1e7
[ 114.889036][ T867] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  114.890198][  T867] RSP: 002b:00007ffe71a5dbc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.890697][  T867] RAX: ffffffffffffffda RBX: 00007ffe71a5e2f0 RCX: 00007f536862f1e7
[  114.891181][  T867] RDX: 0000000000000000 RSI: 00007ffe71a5dc30 RDI: 0000000000000005
[  114.891671][  T867] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  114.892155][  T867] R10: 00007f536852cee8 R11: 0000000000000246 R12: 0000000000000003
[  114.892642][  T867] R13: 00000000686e3b5a R14: 0000000000499600 R15: 0000000000000000
| [  115.335537][  T873] ------------[ cut here ]------------
| [ 115.336389][ T873] WARNING: CPU: 2 PID: 873 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  115.337025][  T873] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  115.338328][  T873] Tainted: [W]=WARN
[  115.338610][  T873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.339029][ T873] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 115.339374][ T873] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  115.340548][  T873] RSP: 0018:ffffc900011eef70 EFLAGS: 00010246
[  115.340973][  T873] RAX: 0000000000000000 RBX: ffff888009ada000 RCX: 0000000000000001
[  115.341456][  T873] RDX: 0000000000000000 RSI: ffffffff99c9b941 RDI: ffffffff994555e0
[  115.341937][  T873] RBP: ffffc900011ef058 R08: 0000000000000000 R09: 0000000000000000
[  115.342420][  T873] R10: ffffc900011ef088 R11: ffffffff9a179160 R12: 1ffff9200023ddf2
[  115.342923][  T873] R13: 00000000000005dc R14: ffffc900011ef088 R15: ffff888009adaf08
[  115.343400][  T873] FS:  00007f52027f2800(0000) GS:ffff88809a5b7000(0000) knlGS:0000000000000000
[  115.343984][  T873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.344383][  T873] CR2: 00000000004e73b8 CR3: 0000000004ba1005 CR4: 0000000000772ef0
[  115.344889][  T873] PKRU: 55555554
[  115.345141][  T873] Call Trace:
[  115.345396][  T873]  <TASK>
[ 115.345570][ T873] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 115.346009][ T873] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 115.346377][ T873] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 115.346728][ T873] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 115.347054][ T873] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.347385][ T873] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 115.347733][ T873] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.348061][ T873] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.348392][ T873] ? ___sys_sendmsg (net/socket.c:2670) 
[ 115.348729][ T873] ? __sys_sendmsg (net/socket.c:2700) 
[ 115.349054][ T873] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.349379][ T873] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 115.349812][ T873] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.350159][ T873] netif_set_mtu (net/core/dev.c:9652) 
[ 115.350496][ T873] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 115.350852][ T873] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 115.351105][ T873] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 115.351546][ T873] br_del_if (net/bridge/br_if.c:743) bridge 
[ 115.351917][ T873] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 115.352248][ T873] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 115.352570][ T873] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 115.352919][ T873] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 115.353321][ T873] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 115.353681][ T873] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 115.354013][ T873] ? __kernel_text_address (kernel/extable.c:79) 
[ 115.354341][ T873] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.354686][ T873] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 115.355012][ T873] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 115.355410][ T873] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.355749][ T873] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.356089][ T873] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 115.356415][ T873] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 115.356754][ T873] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.357090][ T873] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.357420][ T873] ? __create_object (mm/kmemleak.c:771) 
[ 115.357790][ T873] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 115.358118][ T873] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 115.358436][ T873] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 115.358864][ T873] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 115.359203][ T873] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.359534][ T873] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.359890][ T873] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.360242][ T873] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.360587][ T873] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.360940][ T873] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.361279][ T873] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.361625][ T873] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.361955][ T873] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.362280][ T873] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.362645][ T873] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.362983][ T873] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.363328][ T873] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.363691][ T873] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.364035][ T873] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 115.364365][ T873] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 115.364725][ T873] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.365056][ T873] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.365406][ T873] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.365744][ T873] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.366085][ T873] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.366421][ T873] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.366775][ T873] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.367111][ T873] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.367531][ T873] ___sys_sendmsg (net/socket.c:2670) 
[ 115.367864][ T873] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 115.368191][ T873] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 115.368613][ T873] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.368949][ T873] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.369275][ T873] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.369630][ T873] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.369968][ T873] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 115.370296][ T873] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.370661][ T873] __sys_sendmsg (net/socket.c:2700) 
[ 115.371007][ T873] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 115.371420][ T873] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.371795][ T873] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.372128][ T873] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.372449][ T873] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.372855][  T873] RIP: 0033:0x7f52029bf1e7
[ 115.373199][ T873] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  115.374345][  T873] RSP: 002b:00007fffda363748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.374858][  T873] RAX: ffffffffffffffda RBX: 00007fffda363e70 RCX: 00007f52029bf1e7
[  115.375371][  T873] RDX: 0000000000000000 RSI: 00007fffda3637b0 RDI: 0000000000000005
[  115.375866][  T873] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  115.376374][  T873] R10: 00007f52028bcee8 R11: 0000000000000246 R12: 0000000000000003
[  115.376861][  T873] R13: 00000000686e3b5b R14: 0000000000499600 R15: 0000000000000000
| [  115.682542][  T877] ------------[ cut here ]------------
| [ 115.682900][ T877] WARNING: CPU: 0 PID: 877 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  115.683473][  T877] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  115.685019][  T877] Tainted: [W]=WARN
[  115.685239][  T877] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.685604][ T877] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 115.685898][ T877] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  115.686890][  T877] RSP: 0018:ffffc900010df140 EFLAGS: 00010246
[  115.687248][  T877] RAX: 0000000000000000 RBX: ffff888008a01000 RCX: 0000000000000001
[  115.687684][  T877] RDX: 0000000000000000 RSI: ffffffff99c9b941 RDI: ffffffff994555e0
[  115.688098][  T877] RBP: ffffc900010df230 R08: ffff88800bbe6800 R09: 0000000000000000
[  115.688515][  T877] R10: ffffc900010df5c8 R11: ffffffff9aa50668 R12: 1ffff9200021be2c
[  115.689041][  T877] R13: 00000000000005dc R14: ffffc900010df880 R15: ffff888004e7b160
[  115.689467][  T877] FS:  00007f4768c48800(0000) GS:ffff88809a4b7000(0000) knlGS:0000000000000000
[  115.690010][  T877] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.690365][  T877] CR2: 00000000004e5aa8 CR3: 000000000c1b6003 CR4: 0000000000772ef0
[  115.690801][  T877] PKRU: 55555554
[  115.691021][  T877] Call Trace:
[  115.691230][  T877]  <TASK>
[ 115.691378][ T877] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.691686][ T877] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.691978][ T877] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.692257][ T877] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 115.692533][ T877] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 115.692820][ T877] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 115.693101][ T877] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 115.693384][ T877] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 115.693745][ T877] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 115.694026][ T877] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 115.694299][ T877] ? __kernel_text_address (kernel/extable.c:79) 
[ 115.694576][ T877] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.694866][ T877] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 115.695146][ T877] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 115.695487][ T877] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.695796][ T877] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.696072][ T877] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 115.696344][ T877] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 115.696628][ T877] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.696910][ T877] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.697181][ T877] ? __create_object (mm/kmemleak.c:771) 
[ 115.697462][ T877] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 115.697745][ T877] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 115.698029][ T877] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 115.698372][ T877] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 115.698662][ T877] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.698943][ T877] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.699219][ T877] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.699501][ T877] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.699814][ T877] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.700088][ T877] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.700371][ T877] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.700661][ T877] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.700944][ T877] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.701225][ T877] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.701504][ T877] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.701791][ T877] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.702069][ T877] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.702363][ T877] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.702648][ T877] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 115.702924][ T877] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 115.703199][ T877] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.703504][ T877] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.703816][ T877] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.704097][ T877] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.704377][ T877] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.704671][ T877] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.704952][ T877] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.705227][ T877] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.705581][ T877] ___sys_sendmsg (net/socket.c:2670) 
[ 115.705880][ T877] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 115.706154][ T877] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 115.706499][ T877] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.706790][ T877] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.707067][ T877] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.707347][ T877] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.707646][ T877] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 115.707932][ T877] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.708215][ T877] __sys_sendmsg (net/socket.c:2700) 
[ 115.708493][ T877] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 115.708854][ T877] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.709140][ T877] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.709417][ T877] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.709746][ T877] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.710095][  T877] RIP: 0033:0x7f4768e151e7
[ 115.710392][ T877] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  115.711394][  T877] RSP: 002b:00007fff9e5aa4d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.711835][  T877] RAX: ffffffffffffffda RBX: 00007fff9e5aac00 RCX: 00007f4768e151e7
[  115.712249][  T877] RDX: 0000000000000000 RSI: 00007fff9e5aa540 RDI: 0000000000000005
[  115.712675][  T877] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  115.713084][  T877] R10: 00007f4768d12ee8 R11: 0000000000000246 R12: 0000000000000004
[  115.713494][  T877] R13: 00000000686e3b5b R14: 0000000000499600 R15: 0000000000000000
| [  116.934497][  T891] ------------[ cut here ]------------
| [ 116.934844][ T891] WARNING: CPU: 3 PID: 891 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  116.935421][  T891] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  116.937910][  T891] Tainted: [W]=WARN
[  116.938137][  T891] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.938502][ T891] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 116.938810][ T891] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  116.939828][  T891] RSP: 0018:ffffc9000127f140 EFLAGS: 00010246
[  116.940206][  T891] RAX: 0000000000000000 RBX: ffff888005eb9000 RCX: 0000000000000001
[  116.940645][  T891] RDX: 0000000000000000 RSI: ffffffff99c9b941 RDI: ffffffff994555e0
[  116.941067][  T891] RBP: ffffc9000127f230 R08: ffff888009510800 R09: 0000000000000000
[  116.941489][  T891] R10: ffffc9000127f5c8 R11: ffffffff9aa50668 R12: 1ffff9200024fe2c
[  116.941919][  T891] R13: 00000000000005dc R14: ffffc9000127f880 R15: ffff88800c0c34e0
[  116.942339][  T891] FS:  00007fcdabf90800(0000) GS:ffff88809a637000(0000) knlGS:0000000000000000
[  116.942837][  T891] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.943184][  T891] CR2: 00000000004e5ab8 CR3: 0000000009a9c006 CR4: 0000000000772ef0
[  116.943607][  T891] PKRU: 55555554
[  116.943818][  T891] Call Trace:
[  116.944025][  T891]  <TASK>
[ 116.944173][ T891] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 116.944470][ T891] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.944752][ T891] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.945033][ T891] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 116.945306][ T891] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 116.945584][ T891] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 116.945876][ T891] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 116.946156][ T891] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 116.946510][ T891] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 116.946796][ T891] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 116.947071][ T891] ? __kernel_text_address (kernel/extable.c:79) 
[ 116.947349][ T891] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.947638][ T891] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 116.947915][ T891] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 116.948279][ T891] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.948557][ T891] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.948841][ T891] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 116.949116][ T891] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 116.949391][ T891] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 116.949687][ T891] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.949959][ T891] ? __create_object (mm/kmemleak.c:771) 
[ 116.950237][ T891] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 116.950520][ T891] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 116.950805][ T891] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 116.951150][ T891] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 116.951432][ T891] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.951723][ T891] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.952001][ T891] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.952286][ T891] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 116.952563][ T891] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.952855][ T891] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.953141][ T891] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.953413][ T891] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.953708][ T891] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.953987][ T891] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.954265][ T891] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.954551][ T891] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.954842][ T891] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.955128][ T891] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.955401][ T891] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 116.955686][ T891] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 116.955963][ T891] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.956237][ T891] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.956521][ T891] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.956814][ T891] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.957090][ T891] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.957372][ T891] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.957668][ T891] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.957945][ T891] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.958299][ T891] ___sys_sendmsg (net/socket.c:2670) 
[ 116.958571][ T891] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 116.958867][ T891] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 116.959208][ T891] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.959487][ T891] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 116.959794][ T891] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.960078][ T891] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 116.960353][ T891] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 116.960642][ T891] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.960925][ T891] __sys_sendmsg (net/socket.c:2700) 
[ 116.961205][ T891] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 116.961546][ T891] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.961842][ T891] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.962119][ T891] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.962395][ T891] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.962747][  T891] RIP: 0033:0x7fcdac15d1e7
[ 116.963039][ T891] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  116.964045][  T891] RSP: 002b:00007ffcbbf73c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.964484][  T891] RAX: ffffffffffffffda RBX: 00007ffcbbf74360 RCX: 00007fcdac15d1e7
[  116.964942][  T891] RDX: 0000000000000000 RSI: 00007ffcbbf73ca0 RDI: 0000000000000005
[  116.965366][  T891] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  116.965786][  T891] R10: 00007fcdac05aee8 R11: 0000000000000246 R12: 0000000000000004
[  116.966198][  T891] R13: 00000000686e3b5c R14: 0000000000499600 R15: 0000000000000000
| [  118.100978][  T903] ------------[ cut here ]------------
| [ 118.101300][ T903] WARNING: CPU: 0 PID: 903 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  118.101866][  T903] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  118.103007][  T903] Tainted: [W]=WARN
[  118.103216][  T903] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.103562][ T903] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 118.103859][ T903] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  118.104867][  T903] RSP: 0018:ffffc900012ef140 EFLAGS: 00010246
[  118.105216][  T903] RAX: 0000000000000000 RBX: ffff88800aa4c000 RCX: 0000000000000001
[  118.105642][  T903] RDX: 0000000000000000 RSI: ffffffff99c9b941 RDI: ffffffff994555e0
[  118.106088][  T903] RBP: ffffc900012ef230 R08: ffff8880095f0800 R09: 0000000000000000
[  118.106499][  T903] R10: ffffc900012ef5c8 R11: ffffffff9aa50668 R12: 1ffff9200025de2c
[  118.106921][  T903] R13: 00000000000005dc R14: ffffc900012ef880 R15: ffff88800b43e360
[  118.107361][  T903] FS:  00007f8c579fa800(0000) GS:ffff88809a4b7000(0000) knlGS:0000000000000000
[  118.107856][  T903] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.108203][  T903] CR2: 00000000004e5aa0 CR3: 0000000004b77003 CR4: 0000000000772ef0
[  118.108622][  T903] PKRU: 55555554
[  118.108831][  T903] Call Trace:
[  118.109042][  T903]  <TASK>
[ 118.109184][ T903] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.109473][ T903] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 118.109818][ T903] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.110106][ T903] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 118.110389][ T903] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 118.110686][ T903] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 118.110984][ T903] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 118.111269][ T903] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 118.111642][ T903] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 118.111929][ T903] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 118.112209][ T903] ? __kernel_text_address (kernel/extable.c:79) 
[ 118.112493][ T903] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.112784][ T903] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 118.113061][ T903] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 118.113401][ T903] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.113688][ T903] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.113963][ T903] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 118.114240][ T903] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 118.114519][ T903] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.114806][ T903] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 118.115083][ T903] ? __create_object (mm/kmemleak.c:771) 
[ 118.115361][ T903] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 118.115663][ T903] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 118.115945][ T903] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 118.116306][ T903] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 118.116603][ T903] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 118.116887][ T903] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.117162][ T903] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.117442][ T903] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.117725][ T903] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 118.117999][ T903] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.118275][ T903] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.118556][ T903] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 118.118850][ T903] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.119150][ T903] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.119452][ T903] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 118.119772][ T903] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.120050][ T903] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 118.120367][ T903] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 118.120662][ T903] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 118.120944][ T903] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 118.121223][ T903] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 118.121526][ T903] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.121820][ T903] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 118.122100][ T903] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 118.122376][ T903] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 118.122673][ T903] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 118.122954][ T903] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 118.123223][ T903] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 118.123574][ T903] ___sys_sendmsg (net/socket.c:2670) 
[ 118.123857][ T903] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 118.124132][ T903] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 118.124474][ T903] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 118.124768][ T903] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.125046][ T903] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.125328][ T903] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.125614][ T903] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 118.125890][ T903] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.126170][ T903] __sys_sendmsg (net/socket.c:2700) 
[ 118.126441][ T903] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 118.126795][ T903] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 118.127085][ T903] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.127359][ T903] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.127645][ T903] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.127987][  T903] RIP: 0033:0x7f8c57bc71e7
[ 118.128275][ T903] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  118.129268][  T903] RSP: 002b:00007fff4c56eab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.129703][  T903] RAX: ffffffffffffffda RBX: 00007fff4c56f1e0 RCX: 00007f8c57bc71e7
[  118.130119][  T903] RDX: 0000000000000000 RSI: 00007fff4c56eb20 RDI: 0000000000000005
[  118.130528][  T903] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  118.130960][  T903] R10: 00007f8c57ac4ee8 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if
netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if